Scholarly record
THE EXPLOITATION SYSTEM OF SECURING BACKBONE IN UPPER LEVELS - TREPCA MINE, STANTERG
Abstract
Trepça mine in Stantërg during its activities of exploitation periods divides this process in three stages of exploitati on, where in the first stage there are old exploitations of levels from 830m and 610m, and the way of exploitation method, dimensions of backbones and securing plates has been change d as a result of determination of height of floor-horizons between them. The heights of 30m and the angle of small fall allows this method of exploitation to be more favourable and secure. Securing backbones, are formed as a result of the creation of a secure working environment during the exploitation phase of manufactory. The securing backbone must be designed, and then formed in a way so it can fulfill all the designated parameters. As a result of new backbone formation, the working front advances and the need for a new backbone and manufactory contour occurs, and finally the exploitation stage of manufacturing cutting ends. The exploitation of securing backbones has to be done in a secure way so it can fulfill the criteria of efficient exploitation but in the impoverishment aspect it will increase this parameter, and this has to be analyzed in the future if it is worthy considering the high quality of metal in ore and high security of working in upper levels.
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References7
Prof.Dr. Sefedin Kastrati lecture on subject “Specific and special methods in underground exploitation”, Stady Master 2010 Mitrovice FXM
Mathematical Methods in Engineering Sh. Kelmendi, I.Zeqiri, Mitrovicë, 2006
Jorgji, S.Ristani, Construction of underground works (first stage) Tiranë,2004
V.Jorgji,S.Ristani – Construction of underground works (first stage) Tiranë-2004
Beqir Mehmeti, Rocks and land mechanics (Selected Chapters) Mitrovicë, 2000
H.Sauku – Construction of mining works. (first stage) Tiranë – 1985
S.Guxha –Exploitation of underground deposits of useful minerals, stage I-II-III Tiranë, 1984.
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